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driver(uart): Fixed uart tx_empty interrupt wdt timeout bug.

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This commit is contained in:
kooho
2018-07-19 21:41:35 +08:00
committed by bot
parent 230d9adb8a
commit 2d0af81ccf
2 changed files with 20 additions and 2 deletions
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components/driver/test/test_uart.c
+17
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@@ -136,6 +136,23 @@ TEST_CASE("test uart get baud-rate","[uart]")
ESP_LOGI(UART_TAG, "get baud-rate test passed ....\n");
}
TEST_CASE("test uart tx data with break","[uart]")
{
const int buf_len = 200;
const int send_len = 128;
const int brk_len = 10;
char *psend = (char *)malloc(buf_len);
TEST_ASSERT( psend != NULL);
memset(psend, '0', buf_len);
uart_config(UART_BAUD_115200, false);
printf("Uart%d send %d bytes with break\n", UART_NUM1, send_len);
uart_write_bytes_with_break(UART_NUM1, (const char *)psend, send_len, brk_len);
uart_wait_tx_done(UART_NUM1, (portTickType)portMAX_DELAY);
//If the code is running here, it means the test passed, otherwise it will crash due to the interrupt wdt timeout.
printf("Send data with break test passed\n");
free(psend);
}
// Calculate buffer checksum using tables
// The checksum CRC16 algorithm is specific
// for Modbus standard and uses polynomial value = 0xA001